QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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SABR smile interpolation between discrete volatility points. More...
#include <sabrinterpolation.hpp>
Public Member Functions | |
template<class I1 , class I2 > | |
SABRInterpolation (const I1 &xBegin, const I1 &xEnd, const I2 &yBegin, Time t, const Real &forward, Real alpha, Real beta, Real nu, Real rho, bool alphaIsFixed, bool betaIsFixed, bool nuIsFixed, bool rhoIsFixed, bool vegaWeighted=true, const ext::shared_ptr< EndCriteria > &endCriteria=ext::shared_ptr< EndCriteria >(), const ext::shared_ptr< OptimizationMethod > &optMethod=ext::shared_ptr< OptimizationMethod >(), const Real errorAccept=0.0020, const bool useMaxError=false, const Size maxGuesses=50, const Real shift=0.0, const VolatilityType volatilityType=VolatilityType::ShiftedLognormal) | |
Real | expiry () const |
Real | forward () const |
Real | alpha () const |
Real | beta () const |
Real | nu () const |
Real | rho () const |
Real | rmsError () const |
Real | maxError () const |
const std::vector< Real > & | interpolationWeights () const |
EndCriteria::Type | endCriteria () |
Public Member Functions inherited from Interpolation | |
Interpolation ()=default | |
~Interpolation () override=default | |
bool | empty () const |
Real | operator() (Real x, bool allowExtrapolation=false) const |
Real | primitive (Real x, bool allowExtrapolation=false) const |
Real | derivative (Real x, bool allowExtrapolation=false) const |
Real | secondDerivative (Real x, bool allowExtrapolation=false) const |
Real | xMin () const |
Real | xMax () const |
bool | isInRange (Real x) const |
void | update () |
Public Member Functions inherited from Extrapolator | |
Extrapolator ()=default | |
virtual | ~Extrapolator ()=default |
void | enableExtrapolation (bool b=true) |
enable extrapolation in subsequent calls More... | |
void | disableExtrapolation (bool b=true) |
disable extrapolation in subsequent calls More... | |
bool | allowsExtrapolation () const |
tells whether extrapolation is enabled More... | |
Private Member Functions | |
const detail::XABRCoeffHolder< detail::SABRSpecs > & | coeffs () const |
Additional Inherited Members | |
Protected Member Functions inherited from Interpolation | |
void | checkRange (Real x, bool extrapolate) const |
Protected Attributes inherited from Interpolation | |
ext::shared_ptr< Impl > | impl_ |
SABR smile interpolation between discrete volatility points.
Definition at line 150 of file sabrinterpolation.hpp.
SABRInterpolation | ( | const I1 & | xBegin, |
const I1 & | xEnd, | ||
const I2 & | yBegin, | ||
Time | t, | ||
const Real & | forward, | ||
Real | alpha, | ||
Real | beta, | ||
Real | nu, | ||
Real | rho, | ||
bool | alphaIsFixed, | ||
bool | betaIsFixed, | ||
bool | nuIsFixed, | ||
bool | rhoIsFixed, | ||
bool | vegaWeighted = true , |
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const ext::shared_ptr< EndCriteria > & | endCriteria = ext::shared_ptr<EndCriteria>() , |
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const ext::shared_ptr< OptimizationMethod > & | optMethod = ext::shared_ptr<OptimizationMethod>() , |
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const Real | errorAccept = 0.0020 , |
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const bool | useMaxError = false , |
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const Size | maxGuesses = 50 , |
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const Real | shift = 0.0 , |
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const VolatilityType | volatilityType = VolatilityType::ShiftedLognormal |
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) |
Real expiry | ( | ) | const |
Real forward | ( | ) | const |
Definition at line 178 of file sabrinterpolation.hpp.
Real alpha | ( | ) | const |
Definition at line 179 of file sabrinterpolation.hpp.
Real beta | ( | ) | const |
Definition at line 180 of file sabrinterpolation.hpp.
Real nu | ( | ) | const |
Definition at line 181 of file sabrinterpolation.hpp.
Real rho | ( | ) | const |
Definition at line 182 of file sabrinterpolation.hpp.
Real rmsError | ( | ) | const |
Real maxError | ( | ) | const |
const std::vector< Real > & interpolationWeights | ( | ) | const |
EndCriteria::Type endCriteria | ( | ) |
Definition at line 188 of file sabrinterpolation.hpp.
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private |